荔枝是常绿果树，起源于我国南部。荔枝果实的可食部分是假种皮，由果皮包裹。由于花色素苷的存在，大多荔枝品种的果实具有吸引人的浅至深红色，采收时柔软富有韧性。然而，若采后处理不当，果皮迅速失水[1]，进而变干，受压易破裂，汁液外渗，霉病发生，果皮变褐，导致果实外 Litchi is an evergreen fruit tree, originated in southern China. The edible part of a litchi fruit is a pseudocarp, wrapped by a peel. Due to the presence of anthocyanins, most litchi varieties have attractive, light-to-magenta fruits that are soft and resilient when harvested. However, if post-harvest treatment is not performed properly, the peel rapidly dehydrates [1], and then becomes dry, easily ruptured under pressure, extravasation of juice, mildew occurs, the peel brown, resulting in the fruit outside